Nut-lock.



.Na. 740,222.' PANN-'F513 sEPT.29,1903. Y

` fr. moss.

v NUT LOCK. I

. APPLIGMIQN HLEDV'APB. a, 190s. No MODEL. l

L mvg/wok? Bf I A UNITED STATES Patented September 29, 1903.

PATENT OFFICE.

FRANCIS M. BOSS, OF WALDRON, ARKANSAS, ASSIGNOR OF ONE-THIRD TO JOHN D. BENSON, OF W'ALDRON, ARKANSAS.

' NUT-LOC K.

srncrrlcnfrroiv forming para of Letters Patent No. 740,222, aerea september 2e, 1903.

Application-tied April 8,1903. serian. 151,563. (No man.)

To all whom t may concern:

Be it known that I, FRANCIS M. Boss, a citizen of the United States, and a resident of Waldron, in the county of Scott and the State of Arkansas, have made certain new and useful Improvements in Nut-Locks, of which the following is a specification.

This invention relates to that class of nntlocks in which the bolt is provided with a longitudinalgroove or "recess, in which is arranged a suitably-constructed spring adapted for engagement with one of a series of grooves or notches'formed interiorly in the nut or bu r, and thereby locking it against re verse turning on the bolt.

The invention consists of the special construction and combination of parts, which will be hereinafter fully described, and the novel features pointed ont in the subjoined claims.

In order to enable others to make and use my invention, I will now proceed to describe itin detail with reference to theV accompanying drawings, which form a part of this speciiication.

In the drawings, Figure lisa sectional view illustrating my invention. Fig. 2 is an end view with the parts in locking position. Fig. 3is asimilar view showing 'the nut locked. Fig. 4 is a detail perspective view of my special locking-tongue; and Figs. 5 and'G are respectively front and sectional views showing a modified form of vnut employed by me.

In carrying out my invention Iemploy a bolt A, having a groove oir-recess B longitudinally along its length, as shown.v In this groove or recess I arrange a peculiar springtongue C, fastened at its lower or inner lend by swaging, brazing, or other suitable means. The tongue O is provided with notches C' at its yielding end adapted when it ispressed down into the groove or recess B of the bolt to permit turning action of the nut or bur. It will be noticed that the yielding end ofthe tongue G is liattened at C2 and bent at an angle over the outer end of the bolt. The dattened portion C2 is turned up, forming a shoulder C3, and provided with an elongated opening C4, adapted to receive the shank of a turn-button C5. The shank of the turnbutton may be tapped into a suitable recess in the end of the boltA or be otherwise suitably-secured, providing fixed security which will allow free turning thereof. It will be further noticed that the turn-button head is fashioned cam Vshape at ct, adapted when turned against the shoulder C3 of the flattened portion of the spring-tongue to hold the springtongue intothe groove of recess B of the bolt A. With the tongue C compressed, as just described, it is held out of locking position with the nut. In further carrying out my invention I employ a nut or bur D, having internal grooves or recesses D', with either of which the tongue C is adapted to engage when its yielding end stands out or projects beyond the side Walls of the groove B-t'. c., with the dat or inoperative side b ofthe turnbiitton C5 turned next to the shoulder C3 atV the end of the [iattened portion C2 of the spring-tongue C.

In Working my invention I may employ a modified form of nut or bur, having an inner enlarged recess portion E, (see Figs. 5 and 6,) providinga suitable housing'for the turn-button C5 and the yielding end of the tongue C.

Having'thus described my invention, what Iclaim as new, and desire to secure by Letters Patent, iss--` l. The combination in a nut-lock of the character describedemploying a nut having inner grooves or recesses anda bolt having in its length a suitable groove containing a yielding tongue, of an angular portion at the yielding end of the said tongue, a shoulder on the said angular portion ot' the tongue, and a cam-shaped turn-button having a suitable stem extending through the said a'ttened end portion of the yielding tongue and into the 'end of the bolt, substantially as described.

2. The combination with a nut-lock employing a grooved bolt with a yielding lockingtongue iixedly arranged in the said groove, and a nut having inner grooves as speciiied, whereby, the nut is locked to the bolt, of a attened angular end, with upturned shonltatably supported in the end of the bolt', subder, on the said yielding tongue, an elongated stantially as described.

openinfr .in the said flattened. end portion of the yielding tongue, and a turn-button hav- FRANCIS M BOSS 5 ing fiat and cam-shaped sides anda stem ex- Witnesses:

JNO. D. BENSON,

tending through che said elongated opening in the angular end of the yielding tongue, ro-

NATHANIEL W. EDDY. 

